[Official postage stamp and "penalty envelope" use for official mail].

Bibliographic Details
Corporate Author:	United States. Post Office Department
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [publisher not identified], 1879.
Subjects:	United States. > Department of the Treasury. Postage stamps. Electronic books.
Online Access:	Connect to the full text of this electronic document

Description
Item Description:	Electronic resource.
Physical Description:	1 online resource (1 pages)